Yes

you do need a jacket based on the weather in St Albans, UK 1 second ago

Why? Because it's not very warm out!
56°F13°C & Cloudy

Wind is 7 mph11 km/h from the South, gusting to 15 mph24 km/h
November 6
6am56°F13°C7 mph12 km/h SouthCloudy
7am56°F14°C7 mph11 km/h SouthDrizzle
8am57°F14°C9 mph14 km/h SouthDrizzle
9am57°F14°C8 mph13 km/h SouthDrizzle
10am58°F14°C8 mph13 km/h SouthCloudy
11am59°F15°C8 mph13 km/h SouthCloudy
12pm59°F15°C9 mph14 km/h SouthCloudy
1pm60°F16°C9 mph14 km/h SouthCloudy
2pm60°F16°C8 mph13 km/h SouthCloudy
3pm60°F16°C7 mph11 km/h SouthCloudy
4pm59°F15°C6 mph9 km/h SouthCloudy
5pm58°F14°C5 mph8 km/h SouthCloudy
DateLowHighWindDayNight
November 655°F13°C60°F16°C7 mph12 km/h from SouthDrizzleCloudy
November 753°F12°C58°F14°C10 mph17 km/h from SouthDrizzleDrizzle
November 848°F9°C57°F14°C6 mph10 km/h from SouthwestPartly CloudyPartly Cloudy
November 947°F8°C57°F14°C8 mph14 km/h from SouthMostly CloudyCloudy
November 1049°F10°C55°F13°C6 mph10 km/h from SouthRainRain
November 1146°F8°C53°F12°C7 mph12 km/h from SouthwestPartly CloudyMostly Cloudy
November 1242°F6°C52°F11°C10 mph16 km/h from SoutheastMostly CloudyDrizzle

Yes

Low of 54°F12°C, High of 58°F15°C
Wind: 10 mph17 km/h
Precipitation: 54% rain

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